
///////////////////////////////////////////////////////////////////////////
// Copyright (c) 2016 Esri. All Rights Reserved.
//
// Licensed under the Apache License Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////////

define([
  'dojo/_base/declare',
  'dojo/Stateful',
  'esri/toolbars/draw',
  'esri/graphic'
], function (
  dojoDeclare,
  dojoStateful,
  esriDraw,
  EsriGraphic
  ) {
    var w = dojoDeclare([esriDraw,dojoStateful], {
      startPoint: null,
      _setStartPoint: function (p){
        this._set('startPoint', p);
      },
      
      addStartGraphic: function (fromGeometry, withSym) {
        this.removeStartGraphic();
        this.startGraphic = new EsriGraphic(fromGeometry, withSym);
        this.map.graphics.add(this.startGraphic);
      },

      removeStartGraphic: function () {
        if (this.startGraphic) {
          this.map.graphics.remove(this.startGraphic);
        }
        this.startGraphic = null;
      }

  });

  return w;
});
